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Oneal SONUS SLICK Downhill Helm
Description

Oneal BACKFLIP KNOX Downhill Helmet

Built for complete control and maximum safety, this helmet features a robust ABS shell, clever ventilation, and the innovative O'Neal Fidlock® magnetic closure. Whether you're hitting the trails or downhill, you'll be ready before the gate drops.

Features:

  • Shell is produced with high-quality ABS
  • Multiple air vents for optimal ventilation and cooling
  • Airflaps™ compatible
  • Optional available plastic break-away visor screws for improved safety
  • O'Neal Fidlock® magnetic buckle (engineered in Germany) for easy, single-handed fastening and release, provides maximum security while riding
  • Padded comfort liner, removable, sweat absorbing and washable
  • Goggles rest securely in place on ridge at back of shell
  • Height adjustable visor
  • Meets EN1078 safety standard for bicycle helmets and meets ASTM downhill standard

Specifications:

  • EN1078
  • ASTM downhill standard
  • Fidlock closure
Color: grey/neon yellow
Size: M (57/58)
Helmet Type: Motocross Helmets
Gender: Men
Material: Thermoplastic
Season: Summer
Closure type: Fidlock
Application area: Motocross
Protection class (certification): ECE

Size table for Oneal SONUS SLICK Downhill Helm:

Measurements in:
cm
International-Size Head Circumference (cm)
XS 53-54
S 55-56
M 57-58
L 59-60
XL 61-62
2XL 63-64

How to measure your height:

Sizing Info
1 Head circumference

Measure your head circumference by placing the tape measure horizontally around your head. Guide it about one centimetre above your eyebrows across your forehead and around the widest part at the back of your head. Make sure the tape stays at the same height all the way around and is neither slipping nor too tight so you get an accurate measurement.

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